MCQOPTIONS
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| 1. |
A lichen is actually composed of two organisms-a fungus and an algae. They depend on each other for survival. The most specific term that describes their relationship is .................. |
| A. | Parasitism |
| B. | Mutualism |
| C. | Commensalism |
| D. | Symbiosis |
| Answer» C. Commensalism | |